Kenwood KC-Z1 Service Manual page 29

CG CH CI CJ
(X09-4330-10) (1/2)
Q Q
3 7
1
C9
+ 3 8 13.6V
+ 1 4.7u35
R661
16.8V C471 C3 2
FL 22u35 – +
3K
100P 0V
0V C5 100P
0V 0V 0V C11
R5 9.1K 2.2u50
-17.0V
-12dB +
IC1(1/2)
ATT
IC33
0V
IC1(2/2)
2
0V R6 9.1K
FR
R662 C6 100P C12
0V 2.2u50
X09-2/2
( SEL ) 3K -16.9V 17.0V
+
C4 6 C10 IC2(2/2)
( D GND )
C472 – 7 4.7u35
1/8 22u35 100P 5
( Lt ) +
+
+ 0V 4 0V
( Rt )
B ( P2 L )
-13.5V
( P2 R )
( GND )
( +17V )
( ) + 3 C71
-17V + 8 13.6V
1 4.7u35
R665 C473 C65 2
16.8V +
SL 22u35 –
3K 100P 0V
CN2 0V 0V C67 100P
0V 0V C73
2.2u50
+17V 1 R117 9.1K
-17.0V
+
-17V 2
IC4(1/2)
3
MUTE 3
IC34
Rt 4 0V
-12dB
GND 5
X08-3/3- ATT
CN1 Lt 6
GND 7 IC4(2/2)
4/8
Rch 8 0V R118 9.1K
SR
R666 C74
GND 9 0V C68 100P
2.2u50
-16.9V
K Lch 10 3K 17.0V
+ IC5(2/2)
C66 6 C72
GND 11 C474 – 7 4.7u35
22u35 100P 5
SRch 12 + +
+ 0V 4
0V
GND 13
SLch 14
-13.5V
T E
GND 15 L 1 3
0V
+ 5 8 C124
+ 13.6V
Cch 16 7 4.7u35
R670 C476 C118 6
+
4 GND 17 C 0V 22u35 –
3K 100P 0V
S.Wch 18 17.0V 0V 0V C120 100P
C126
2.2u50
GND 19 R218 9.1K
-16.9V +
IC7(2/2)
-12dB
ATT
IC35
(BOTTOM
IC7(1/2)
VIEW)
R217 9.1K
0V 0V C125
0V C119 100P
2.2u50
-17.0V
SW + IC8(1/2)
C117 2 C123
R669 C475 – 1 4.7u35
22u35 100P 3
3K + +
16.8V + 0V 4
0V
5
-13.5V
+ 3 8 C175 13.6V
+ 1 4.7u35
C477 C169 2
22u35 – +
100P 0V
0V C171 100P
0V C177
R317 9.1K 2.2u50
+
IC10(1/2)
13.5V -13.5V
IC10(2/2)
R318 9.1K
6
C178
0V C172 100P
2.2u50
+
C170 6 C176 IC11(2/2)
C478 – 7 4.7u35
22u35 100P 5
+
+ -13.5V
+ 0V 4 0V
w w w
7
CK CL CM CN
6 3 1 5 17.0V
R371 100
0V
C21
R23 10u50 3 FL
C227 220P 8
+ 1
2.2K + C25
2
–
100P 0V
0V 0V C27 100P
0V 13.6V
C228 220P IC13(1/2)
R372 100
IC2(1/2) 0V TONE
0V 0V 4
0V AMP
3 8 C19 C302 47u25
+ 4.7u35
1 +
2 R31 100
– +
0V
C226
C17 47P 0.01 D28
ELE.
R15 22K VOLUME
(FL,FR)
R32 100
IC3
R16 22K C225 0.01
(BOTTOM
0V
C18 47P VIEW) 0V C301 47u25
0V 0V
6
– 7 + +
5
+ C20 R373 100
4 C28 100P
4.7u35 0V
-13.5V C229 220P
0V IC13(2/2)
0V 0V
C26 6
C22 – 7
R24 10u50 100P 5
+
4
R377 100 2.2K + FR
0V
C247 220P
0V
0V 0V
13.6V C248 220P -17.0V
17.0V
IC5(1/2) 0V R378 100
0V 0V 3 0V
C83
C81 0V C304 47u25 R135 10u50 SL
3 8 3 8
+ 1 4.7u35 + 1
+ 100 + C87
2 2
– + 0V –
C246 100P
0V
C79 47P 0.01 D27
ELE. C89 100P
R127 22K 0V
VOLUME
(SL,SR) IC15(1/2)
IC6
TONE
R128 22K C245 0.01
(BOTTOM AMP
C80 47P 0V VIEW)
0V 0V C303 47u25
6 0V R143 100
–
7 + +
5
+
C82 R379 100
4 4.7u35
C249 220P
-13.5V
0V
0V R144 100
9 4 2 2 9 6 5 1 3
0V
0V
C267 220P
C90 100P
0V 0V
0V R385 100
0V IC8(2/2) 0V
IC15(2/2)
C134 C263 0.01
5 8 C88 6 0V
+ 7 4.7u35 C84 –
-13.5V 7
6 C305 47u25 R136 10u50 100P 5
– + 0V +
4
+ D26 100 + SR
C132 47P 0V
C306 47u25
ELE.
R228 22K
VOLUME +
-17.0V
(C,SW)
C264 0.01
IC9
17.0V
R227 22K C265 220P
13.6V
C131 47P 0V 0V 0V
0V R384 100 C136
2 2 R236 10u50 C
– 5 8
1 + + 7
3 100 + C140
+ C133 0V 0V 0V R383 100 6
0V –
4 4.7u35
100P 0V
C266 220P
C142 100P
0V
0V
IC17(2/2)
TONE
R389 100
AMP
C283 220P
R244 100
0V
0V 0V 13.6V
C284 220P
R390 100
IC11(1/2) 0V
0V 0V 1
0V R243 100
3 8 C185 C308 47u25
+ 4.7u35
1
2 +
– +
0V
C282
D25
C183 47P 0.01
ELE.
R327 22K
VOLUME
C141 100P
(FL2,FR2) 0V
IC12
IC17(1/2)
R328 22K C281 0.01
(BOTTOM C139 2 0V
0V C135 –
C184 47P VIEW) 0V C307 47u25 1
0V 0V R235 10u50 100P 3
6 +
– 7 + +
100 + 4 SW
5 0V
+ C186 R391 100
4
4.7u35
-13.5V C285 220P -17.0V
0V
0V
x a o
. i
CO CP CQ CR
1 5 0
C37 R59 R57 R61 R63 R65 R67 R69 R71 R75 R73 R79 R77 R81
R33 R37 10u50
5.1K 200 2.7K 1.3K 680 680 1.3K 2.7K 5.1K 200 5.1K 200 2.7K
5.6K 5.6K +
C33
C29 29
0.022 R47 R49
0.33u50 34 22
20
+ 200 5.1K
C31 C533 35 21
0.33u50 10u50
TREBLE BASS
28
+ +
36 20
R35 R39 C35
19 0V
5.6K 5.6K 0.022
37 ST
0V
18
38 DATA
VDD TONE ATT. (FL,FR) 17
39
C232 0.01 -17.0V NC
17.0 NC IC14 16 0V
C233 0.01 40 CK
VSS
41
15
GND
R36 R40 C36
42 14
5.6K 5.6K 0.022
+ +
6
43 TREBLE BASS 13
C32 C532
0.33u50 10u50
+
R48 R50 44 12
14
C30
C34 200 5.1K
0.33u50 5
0.022
R34 R38 +
R60 R58 R62 R64 R66 R68 R70 R72 R76 R74 R80 R78 R82
5.6K 5.6K C38
5.1K 200 2.7K 1.3K 680 680 1.3K 2.7K 5.1K 200 5.1K 200 2.7K
10u50
C99 R169 R167 R171 R173 R175 R177 R179 R191 R183 R181 R187 R185 R189
R145 R149 1u50
5.1K 200 2.7K 1.3K 680 680 1.3K 2.7K 5.1K 200 5.1K 200 2.7K
5.6K 5.6K +
C95
29
C91
0.33u50 0.022 R157 R159 34 22
20
+ 200 5.1K
C93 C529 35 21
0.33u50 10u50
TREBLE BASS
28
+ +
36 20
R147 R151 C97
0V
5.6K 5.6K 0.022 19
37 ST
0V
18
38 DATA
VDD TONE ATT. (SL,SR) 17
39
C252 0.01 -17.0V NC
17.0 NC IC16 16 0V
C253 0.01 40 CK
VSS
41
15
GND
R148 R152 C98
42 14
5.6K 5.6K 0.022 Q Q
+ + 3
6
43 13
C94 C528 TREBLE BASS
0.33u50 10u50
+
R158 R160 44 12
14
C92
C96 200 5.1K
0.33u50 5
0.022
R146 R150 +
R170 R168 R172 R174 R176 R178 R180 R182 R186 R184 R190 R188 R192
5.6K 5.6K C100
5.1K 200 2.7K 1.3K 680 680 1.3K 2.7K 5.1K 200 5.1K 200 2.7K
1u50
C152 R270 R268 R272 R274 R276 R278 R280 R282 R286 R284 R290 R288 R292
R246 R250 1u50
5.1K 200 2.7K 1.3K 680 680 1.3K 2.7K 5.1K 200 5.1K 200 2.7K
5.6K 5.6K +
C148
5
C144
0.33u50 0.022 R258 R260 44 12
14
+ 200 5.1K
C146 C524 43 13
0.33u50 10u50
TREBLE BASS
6
+ +
42 14
R248 R252 C150
5.6K 5.6K 0.022 15
41 GND
0V
40
VSS TONE ATT. (C,SW) 16
39
C271 0.01 17.0 CK
-17.0V NC IC18 17
C270 0.01 38 NC
VDD 18
37 (BOTTOM VIEW) 0V
DATA
19 0V
ST
R247 R251 C149
36 20
5.6K 5.6K 0.022
+ +
28 35 21
C145 C525 TREBLE BASS
0.33u50 10u50
+
R257 R259 34 22
20
C143
C147 200 5.1K
0.33u50 29
0.022
R245 R249
+ R269 R267 R271 R273 R275 R277 R279 R281 R285 R283 R289 R287 R291
5.6K 5.6K C151
1u50 5.1K 200 2.7K 1.3K 680 680 1.3K 2.7K 5.1K 200 5.1K 200 2.7K
u 1 6 3
y
CS CT CU CV
8 9 2 4
CN1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
R374 100
R375 100
R376 100
D31
17.0V
(
C41 R91 C43
IC19(1/2)
0.33u50 2.2K 1u50 3 8 C49
+ 33u35
1
+ 0.8V + 2
Q3 – +
R93 0V 0V 0V
(
1.6K C523 100P
R717 1.3K
MUTE
0V
0.8V
R718 1.3K
Q4
R94
C522 100P
1.6K 0V
C50
6
C42 C44 – 7 33u35
0.33u50 R92 1u50 (
5
+ +
+ + 4
2.2K 0V
IC19(2/2)
-17.0V
R201 C105 (
17.0V IC21(1/2)
2.2K 3.3u50 3 8 C111
+ 33u35
1
0.8V + 2
Q7 – +
R203 0V 0V 0V
1.6K C521 100P
R713 1.3K
MUTE
0V
0.8V
R714 1.3K (
Q8
R204
R380 100 C520 100P
1.6K 0V
C112
6
C106 – 7 33u35
R381 100 R202 3.3u50 5
+ +
R382 100 + 4 (
2.2K 0V
D30 IC21(2/2)
-17.0V
R302 C158
IC22(2/2)
7 6 3 17.0V 1 2.2K 3.3u50 5 5 1 8 C164 5 0 8
+ 33u35
0.8V + 6
Q12 – +
7
R304 0V 0V 0V
1.6K C518 100P
R710 1.3K
MUTE
0V
0.8V
R709 12K
Q11
R303
C519 100P
0V
1.6K
2 C163 (
C157 – 1 33u35
R301 3.3u50 3
+ +
+ 4
2.2K 0V (
IC22(1/2)
-17.0V (
C187 C189
17.0V IC23(1/2)
1u50 R339 1u50 3 C195
+ 8 (
33u35
+ 2.2K + 2
+
Q15 – 1
R341 0V 0V 0V
(
1K C517 100P
PRE2
R705 1.3K
-16.8V MUTE
0V (
D29
R706 1.3K ( 13
Q16
R342 ( 12
C516 100P
0V
1K
R388 100 6 C196
C188 C190 – 7 33u35
1u50 R340 1u50 5
+ +
R387 100 + + 4
2.2K 0V
IC23(2/2)
R386 100
-17.0V
D4 K6 D5 K5 D6 K4 D7 K3 D8 K2
Q52 Q53 Q54 ON:0.7V Q55 Q56
PRE2 C SUB W. SL,SR FL,FR
OFF:0V
ON/OFF ON/OFF ON/OFF ON/OFF ON/OFF
m
c o
.
CW CX CY CZ
9 8 2 9 9
X00-A/5-
CN6
6/8
L
J5 CAUTION: For continued safety, replace safety critical
R111
1 FL components only with manufacturer's recommended parts
150
1 ) (refer to parts list). indicates safety critical components.
For continued protection against risk of fire, replace only
IC1,2,4,5,7,8,10,11,13,
with same type and rating fuse(s). To reduce the risk of
R112 15,17,19,21~23 : NJM4580E
2 FR
IC3,6,9,12 : TC9212F
150 electric shock, leakage-current or resistance measurements
2 ) IC14,16,18 : TC9274F-009
C536 0.01
IC33~35 : LC4966
shall be carried out (exposed parts are acceptably insulated
IC37 : uPC7915HF or
D36 from the supply circuit) before the appliance is returned to
TA79015S
IC38 : uPC7815AHF or
the customer.
TA7815S
R211 Q3,4,7,8,11,12,15,16 : 2SC2878(B)
3 SL
Q41,43,73 : UN4216 or
150
3 ) DTC143TS
The DC voltage is an actual reading measured with a high
Q42,44,74 : UN4112 or
PRE OUT1
DTA124ES
impedance type voltmeter with no signal input. The
Q52~57 : 2SC2003(L,K)
R212 Q72 : UN4212 or
measurement value may vary depending on the measuring
4 SR DTC124ES
150
instruments used or on the product.
4 ) C537 0.01
D1,2,4~11 : DAN202U
D25~31,36~38 : DA204U
D37 D32~35 : U1BC44
DOLBY and the double-D symbol are trademarks of Dolby
R311 Laboratories Licensing Corporation. Noise reduction circuit
SIGNAL LINE
5 SW
150
GND LINE made under license from Dolby Laboratories Licensing
5 )
+B LINE
Corporation.
-B LINE
R312
6 C
150
6 )
J6
R349
1 FRONT L
150
9 2 4 PRE OUT2 9 8 2 9 9
X14-A/9-
R350
2 FRONT R CN2
150
C538 0.01
7/8
D38
M
WH3
1
2 ) Rch
2
GND
3
1 ) Lch
4
GND
5
4 ) SRch
6
GND
Q41~44 D10 D11 Q73,74
7
) -12dB
3 SLch MUTE DRIVE
8
ATT. 4.9V
GND D1 2.3V 4.9V
9 CONT
6 ) Cch R701 0.7V
10
Q73
GND 2K
Q41 Q43
11
5 ) SWch PRE2 PRE1
D2 16.2V
12 MUTE MUTE
) DB-25 POW
13 2.3V
) DB-25 GND 16.2V
Q42 0.7V Q74
Q44 16.8V
16.2V
R681
5.0V -16.8V 16.1V
-16.9V Q72 82K
-17.0V
17.0V
12.0V 15.1V
D9 K1 +15V AVR IC38
D33 D32
2
OUT IN
3 GND
-17.0V
-15V AVR IC37 1
D35 D34 2
Q57 OUT IN
TONE
3 GND X00-B/5-
ON/OFF -15.0V
CN5
1 WH1
1
RLY GND
6/8
2
RLY +B
3
12.0V -17V
N
4
GND
5
+17V
KC-Z1(M) (5/8)
KC-Z1/RC-Z1
Y05-3140-10
DA